Improved pavement



C. WILLIAMS, OF NEW YORK, N. Y.

Lam-s Patent No. 76,021, daad Mwah 24, ieee.

IMPROVED PAVEMENT.

@tige Samui: referat in in time @sitas ateirt mit mating mit nf tigesame.

VTO ALL WIIOM IT MAY CON CERN:

Be it known that I, C. WILLIAMS, of the city of New York, 'in the countyand State of New York, have invented a new and improved Pavement; and Ido hereby declare the following to be a full, clear, and exactdescription thereof, enabling those skilled in .the art to make and usethe same, reference being had to the accompanying drawing, formingpar-fl of this specification; in which drawing- Figurel represents avertical section of this invention.

Figure 2 is a plan or top view thereof.

Similar letters indicate corresponding parts.

rlhis invention consists in the arrangement of metal bars, inserted insuitable grooves in wooden blocks, the upper surfaces of said metal barsbeing iat or grooved, in such a manner that, by the metalbars, thesurface of the wooden blocks is protected, and the wearing out of saidblocks is materially reduced.

A represents a wooden-pavement block, which may be providedwith inverteddove-tailed grooves, a, to receive keys of" cement or any other suitablematerial, or`wl1iehw may be constructed in any other desirable manner.Into the surface of these blocks I insert metal bars, b, (by preferencemade of steel.) These metal bars are best made in the inverteddove-tailed shape, and secured in grooves of corresponding shape, asshown in the drawing; but they may also be made in any other desirableform or sliape.- If these metal bars `are made in the inverteddove-tailed shape, they also serve as keys to lock two adjoining blockstogether, as described in a patent allowed to me, November 16, 1867.

The upper surfaces of the metal bars Y; may be made iiat, or they may begrooved, tovinerease the foot-hold of the draught-animals. i i

By inserting the metal bars in wooden blocks, the surface of saidwoodenbloeks is protected, so that they wiil not wear out as quick asthey do without such bars, which will resist the most severe use foralong time, and which, at the same time, retains all the advantagesinherent to wooden pavements.

If the wood is'properly prepared, the metal bars can be inserted bycasting them into the grooves.

I wish it distinctly understood that I do .not claim the use of metalbars, inserted either in the sides or under surfaces of Wooden-pavementblocks, for the purpose of fasteningsuch blocks together; but, havingthus described my invention,

v What I claim as new, and desire to secure by Letters Patent, is-

The arrangement of metal bars b, inserted into suitable grooves in theuppersurfaees of the woodenpavemont'bloclis A, so as to produce awearing surface, substantially as and for the purpose set forth. l

C. WILLIAMS. Witnesses:

` w. Hrm,

E. F. KAISTENHUBER.

